Não informado. (1973). World construction. Technical Publishing Corporation.
Chicagoスタイル(17版)引用形式Não informado. World Construction. New York: Technical Publishing Corporation, 1973.
MLA(8版)引用形式Não informado. World Construction. Technical Publishing Corporation, 1973.
警告: この引用は必ずしも正確ではありません.